PHILOS 132 Lecture Notes - Lecture 4: A Priori And A Posteriori, Thomas De Quincey, Intension
Document Summary
Behaviorist thesis: the mind is reducible to behavior. Dispositions to behave: frege: statements of number: a. i. The king"s carriage is drawn by 4 horses. a. i. 1. Tempting to think that 52 is a property of the cards. Frege: a statement of number is a statement about a concept. _______ is a horse that draws the king"s carriage. There is only one thing that is the moon of the earth. There are 4 numerically distinct things that satisfy the concept ____ is a horse that draws the king"s carriage . So statements of number are statements about concepts themselves (viz are they or are they not satisfied). 0 is the set of all sets whose member(s) are not identical to themselves: the null set. a. i. 1. a. i. a. i. 1. a. ii. Exemplifies what it might mean to give a logical construction. a. ii. a. iii. Definitions in logic alone give you its truths, you could derive the basics of number theory from logic. a. iii. 1.
